Wall hanging air conditioner

ABSTRACT

A wall hanging air conditioner comprises a panel ( 1 ) provided with an air outlet ( 10 ) and an air sweep blade mechanism ( 3 ). The swing blade mechanism ( 3 ) is mounted at a lower portion ( 102 ) of the air outlet ( 10 ). The invention has advantages of buffering wind power, improving the swing angle, and increasing the comfortable level of people.

The application claims the priority of Chinese patent application with application No. 201020158149.X, titled as “WALL HANGING AIR CONDITIONER”, and filed on Apr. 9, 2010, and all disclosed contents thereof should be incorporated herein by reference.

FIELD OF THE INVENTION

The present invention relates to the field of indoor air conditioners, in particular, to a wall hanging air conditioner.

BACKGROUND OF THE INVENTION

Swing blades of the wall hanging air conditioner in prior art are generally mounted at an upper portion of the air outlet. Since the air outlet of the air conditioner has a lamer air output at the lower portion than at the upper portion, if the swing blades are mounted at the upper portion of the air outlet, the adjustment of the air discharging angle of the air conditioner and the comfort level would he limited to some extent. Thus, the air blowing out of the air conditioner can not flow adequately indoors, and the comfortable feeling of the people in rooms can be reduced.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a wall hanging air conditioner which can solve technical problems that the limited air discharging angle of the air conditioner and the low comfort level.

Therefore, the present invention provides a wall hanging air conditioner comprising: a panel provided with an air outlet, and a swing blade mechanism mounted at a lower portion of the air outlet.

Further, the swing blade mechanism may comprise: a base mounted on an air outlet seat of the lower portion of the air outlet; a plurality of swing blades provided on the base in sequence; and a transmission mechanism connected transmittingly to a driving output end of a swing, motor of the wall Naming air conditioner and connected respectively to each of the plurality of swing blades.

Further, each of the plurality of the swing blades may comprise: a blade body connected to the transmission mechanism; a blade seat provided at a bottom portion of the blade body and fixedly connected to the base; and an elastic connecting part connecting between the blade body and the blade seat.

Further, the elastic connecting part may be of an elongated shape, an upper end of which may be connected to an inner edge of the blade body.

Further, the transmission mechanism may be a connecting rod The connecting rod may be provided with a plurality of grooves, and a blade notch may be provided at an outer side of each of the blade body. The blade notch of each of the blade bodies may be fitted with the corresponding groove of the connecting rod.

Further, in the case that the transmission mechanism is a connecting rod, the connecting rod may be provided with a plurality of ring-shaped friction parts, and a blade notch may be provided at one side of the blade body. The blade notch of each of the blade bodies is closely fitted with the corresponding friction part of the connecting rod.

Further, the blade notch may be provided at a middle portion of an outer edge of the corresponding blade body.

Further, the swing blade mechanism may include a manual adjusting device. The manual adjusting device may comprise: a rotatable shaft rotatablely provided on the base and including a manual force exerting portion and a pinion portion; and a rack portion provided on the connecting rod and engaged with the pinion portion.

Further, the manual force exerting portion is a polyhedral prism portion provided at a middle portion of the rotatable shaft, and the pinion portion is provided at an upper end of the rotatable shaft.

Further, the base of the swing blade mechanism may comprise: a sinking step portion provided at least at a longitudinal edge portion of the base; a recess portion which may be provided therein with a counter bore penetrating the base; and protrusions fitted with an edge portion of the sinking step portion and the counter bore of the recess portion may be provided on the air outlet seat of the air conditioner.

The present invention has the following technical effects.

Since the air outlet has a larger air output at the lower portion than at the upper portion, the swing blade mechanism is provided at the lower portion of the air outlet and can efficiently guide the direction of the air, improve the swing angle, and increase the comfortable level of people.

The base, the transmission mechanism and the swing blades are combined to form the swing blade mechanism, which not only can ensure the flexible swing of the blade bodies, but also can facilitate detaching and mounting of the mechanism. When the components of the swing blade mechanism are failed or need to be cleaned, these components can be detached quickly and easily, thereby the operating efficiency is increased.

With the manual adjusting device connected transmissively to the transmission mechanism, the swing angle of the swing blades can be adjusted manually, thereby the flexibility of the swing blade mechanism is further improved.

By providing the locating notch in the rectangular recesses fitted with the locating protrusions and providing the locating pins fitted with the locating holes, the swing blade mechanism is mounted on the seat of the lower portion of the air outlet, thereby the detaching and mounting efficiency of the swing blade mechanism is increased.

Besides purposes, features and advantages described above, the present invention also has other purposes, features and advantages. Other purposes, features and advantages of the present invention will be further described in details below as shown in drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

Drawings, which form a part of the description and are provided for further understanding of the present invention, show the preferred embodiments of the present invention, and explain the principle of the present invention together with the description. In the drawings:

FIG. 1 is a structural schematic view of the assembly of a preferred embodiment of the present invention;

FIG. 2 is a structural schematic view of a swing blade mechanism of a preferred embodiment of the present invention;

FIG. 3 is a structural schematic view of a swing blade of a preferred embodiment the present invention; and

FIG. 4 is an enlarged structural schematic view of part 1 in FIG. 1 indicating a manual rotary device.

DETAILED DESCRIPTION

The embodiments of the present invention will be described in detail below as shown in drawings, however the present invention may he implemented by various different ways defined and covered by the claims. In the drawings, identical components are indicated by identical reference number.

As shown in FIG. 1, the wall hanging air conditioner of the present invention includes a panel 1. An air outlet 10 is provided, in the panel 1, and a swing blade mechanism 3 is provided at a lower portion 102 of the air outlet.

In the prior art, the swing device for is generally mounted at the upper portion 101 of the air outlet 10. However, since the air outlet has a larger air output at the lower portion 102 than at the upper portion, it is difficult for the swing device located at the upper portion of the air outlet 10 to perform an effective sweep for the air outgoing from the lower portion 102 of the air outlet, and the air discharging angle of the air conditioner is also limited. In the present invention, the swing blade mechanism 3 is provided at the lower portion 102 of the air outlet, which can efficiently change the air discharging direction, and can improve the air discharging angle under a relatively large air force, thereby increasing the flowing range of the air discharged from the air conditioner indoors and increase the comfortable feeling of people.

As shown in FIGS. 2 and 3, in order to make the swing blade mechanism 3 achieve a better swing angle and be detached or mounted flexibly, preferably, the swing blade mechanism 3 may include a base 31, a transmission mechanism 33, and a plurality of swing blades 35 connected in a transmission manner to the transmission mechanism 33. One end of the transmission mechanism 33 is connected in a transmission manner to a driving output end of a swine motor of the wall hanging air conditioner. The swing blades 35 are driven to swing left or right under the driving of the swing motor. The plurality of swing blades 35 may be provided on the base 31 in sequence and at an equal interval.

In order that the swing blades 35 can be detached or mounted more flexibly, each swing blade 35 may include a blade body 351, a blade seat 353, and an elastic connecting part 355 connecting the blade body 351 and the blade seat 353. The blade seat 353 fixedly connected to an air outlet seat of the lower portion 102 of the air outlet 10.

In order that the swing blade 35 can be easily deformed to better change the air guide angle, the blade body 351 can swing at a larger angle and the swing resistance can be reduced, the elastic connecting part 355 may be of an elongated shape, and an upper end of the elastic connecting part 355 may be connected to an inner edge of the blade body 351.

Preferably, in the present embodiment, the upper end of the elastic connecting part 355 may be connected to an upper end of the inner edge of the blade body 351, to efficiently reduce the connection portion between the elastic connecting part 355 and the blade body 351 and increase the swing flexibility of the blade body 351.

The blade body 351 may be fixedly connected to the base 31 via the elastic connecting part 355 and the blade seat 353. The elastic connecting part 355 and the blade body 351 may be made integrally, or be formed separately. The elastic connecting part 355 and the blade seat 353 may be made integrally, or be formed separately. The blade seat 353 may be fixedly connected to the base 31 in an inserted coupling manner, and accordingly, the base 31 may be provided with the corresponding number of grooves. Generally, the blade body 351 may be made of an elastic material that can be bent, and the blade body 351 can be driven by the transmission mechanism 33 to swing left of right under the elastic force.

In order that the swing blade mechanism 3 can be detached for cleaning or maintaining, each blade body 351 may be connected to the transmission mechanism 33 in a snap-fit coupling manner. The transmission mechanism 33 may be a connecting rod, and each swing blade 35 may be connected to the connecting rod in a snap-fit coupling manner. The connecting rod may be provided with a plurality of grooves, and each blade body 351 may be correspondingly provided at a side thereof with a blade notch 352, and the blade notch 352 of each blade body 351 is fitted with corresponding groove of the connecting rod.

The connecting rod may also be provided with a plurality of ring-shaped friction parts, and the blade notch 352 of each blade body 351 may be closely engaged with the corresponding friction part of the connecting rod. So that the blade body 351 may be driven by the connecting rod to swing left or right under the friction force.

The blade notch 352 may be provided at a middle portion of an outer edge of each blade body 351 and is located at the opposite side of the elastic connecting part 355.

When the swing blade mechanism 3 is operated, the connecting rod is rotated under the drive of the driving output end of the swing motor, and thus drives the blade body 351 of each swing blade 35 to swing left or right to perform the air sweep, thereby achieving the adjustment of a relatively large air discharging angle.

As shown in FIG. 4, in order to further facilitate the adjustment of the swing angle of the swing blades 35, and also to avoid the circumstance in which the direction of the air can not be adjusted due to the breakdown of the swing motor, the swing blade mechanism 3 may further includes a manual adjusting device. The manual adjusting device includes a rotatable shaft 32 and a rack portion. The rotatable shaft 32 which includes a manual force exerting portion 321 and a pinion portion 322, is rotatablely provided on the base 31 The rack portion is provided on the connecting rod and engages with the pinion portion 322.

In order to facilitate applying a force to the manual adjusting device, the manual force exerting portion 321 may be a polyhedral prism portion provided at a middle portion of the rotatable shaft 32, and the pinion portion 322 may be provided at an upper end of the rotatable shaft 32.

When it needs to adjust the swing angle of the swing blade 35 manually, the polyhedral prism portion may be rotated manually such that the pinion portion 322 is rotated accordingly, so as to drive the connecting rod to move left or right through the engagement between the pinion of an upper end of the pinion portion and the rack of the connecting rod, thereby achieving the leftward or rightward swing of the swing, blade 35.

The manual force, exerting portion 321 may also be configured as a handle mounted on the rotatable shaft 32. The rotatable shaft 32 may he rotated at an angle by operating the handle, such that the connecting rod moves by a distance in a longitudinal direction, thereby achieving the adjustment of the air direction via the swing blades 35 connected to the connecting rod.

In order that the swing blade mechanism 3 can be stably mounted on the air outlet seat of the lower portion 102 of the air outlet 10 and can be easily detached, preferably, the swing blade mechanism 3 may further include a sinking step portion 37 which is at least provided at a longitudinal edge portion of the base 3.1. A lower side of the sinking step portion 37 may be detachably fixed on the air outlet seat of the lower portion of the air outlet 10.

The sinking step portion 37 may be of a semicircular shape or a rectangular shape, or any other shape adapted to snap lit with the air outlet seat. Preferably, in the present embodiment, the sinking step portion is of a rectangular shape.

In order that the swing blade mechanism 3 may be detached, a top surface of the base 31 may be provided with several rectangular recesses 38. In the present embodiment, a rectangular recess 38 may be provided at each end portion as well as a middle position of the base 31. An edge counter bore 382 penetrating the base 31 may be provided in each of the rectangular recesses 38 at the two end portions of the base 31, and protrusions fitted with the edge counter bores 382 may be provided at corresponding positions of the air outlet seat of the lower portion 102 of the air outlet 10. Two middle counter bores 381 may be provided in the rectangular recess 38 at the middle position of the base 31. Accordingly, two protrusions corresponding to the two middle counter bores 381 may be provided at corresponding positions of the air outlet seat of the lower portion 102 of the air outlet 10.

The rectangular recesses 38 may also he of a circular shape or any other suitable shape.

When the swing blade mechanism 3 is to be mounted in whole to the lower portion 102 of the air outlet 10 of the wall hanging air conditioner according to the present invention, the protrusions on the air outlet seat of the lower portion 102 of the air outlet 10 may be inserted into the edge counter bores 382, thereby achieving the reliable mounting of the swing blade mechanism 3. With this kind of mounting structure, when the swing, blade mechanism 3 is failure or needs to be cleaned, the swing blade mechanism 3 may be easily detached from the wall hanging air conditioner, which is convenient and flexible.

Above contents only describe the preferred. embodiments of the present invention and are not intended to limit the present invention; for one skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention. 

1. A wall hanging air conditioner comprising: a panel (1); an air outlet (10) provided in the panel (1); and a swing blade mechanism (3), wherein the swing blade mechanism (3) is mounted at a lower portion (102) of the air outlet (10).
 2. The wall hanging air conditioner according to claim 1, wherein the swing blade mechanism (3) comprises: a base mounted on an air outlet seat of the lower portion (102) of the air outlet (10); a plurality of swing blades (35) provided on the base (31) in sequence; and a transmission mechanism (33) transmittingly connected to a driving output end of a swing motor of the wall hanging air conditioner and connected respectively to the plurality of swing blades (35).
 3. The wall hanging air conditioner according to claim 2, wherein each of the plurality of the swing blades (35) comprises: a blade body (351) connected to the transmission mechanism (33); a blade seat (353) provided at a bottom portion of the blade body (351) and fixedly connected to the base (31); and an elastic connecting part (355) connecting between the blade body (351) and the blade seat (353).
 4. The wall hanging air conditioner according to claim 3, wherein the elastic connecting part (355) is of an elongated shape, an upper end of which is connected to an inner edge of the blade body (351).
 5. The wall hanging air conditioner according to claim 4, wherein, the transmission mechanism (33) is a connecting rod provided with a plurality of grooves; and a blade notch (352) is provided at an outer side of the blade body (351), and the blade notch (352) of each of the blade bodies (351) is fitted with the corresponding groove of the connecting rod.
 6. The wall hanging air conditioner according to claim 4, wherein, the transmission mechanism (33) is a connecting rod provided with a plurality of ring-shaped friction parts; and a blade notch (352) is provided at one side of the blade body (351), and the blade notch (352) of each of the blade bodies (351) is closely fitted with the corresponding friction parts of the connecting rod,
 7. The wall hanging air conditioner according to claim 5, wherein the blade notch (352) is provided at a middle portion of an outer edge of the corresponding blade body (351).
 8. The wall hanging air conditioner according to claim 1, wherein the swing blade mechanism (3) further comprises a manual adjusting device, and the manual adjusting device comprises: a rotatable shaft (32) rotatablely provided on the base (31) and comprising a manual force exerting portion (321) and a pinion portion (322); and a rack portion provided on the connecting rod and engaged with the pinion portion,
 9. The wall hanging air conditioner according to claim 8, wherein the manual force exerting portion is a polyhedral prism portion provided at a middle portion of the rotatable shaft (32), and the pinion portion is provided at the upper end of the rotatable shaft (32).
 10. The wall hanging air conditioner according to claim 9, wherein the base (31) of the swing blade mechanism (3) further comprises: a sinking step portion (37) provided at least at a longitudinal edge portion of the base (31); a recess portion ( )provided therein with a counter bore (381) penetrating the base (31); and protrusions provided on the air outlet seat of the air conditioner and fitted with an edge portion of the sinking step portion (37) and the counter bore (381) of the recess portion (38).
 11. The wall hanging air conditioner according to claim 6, wherein the blade notch (352) is provided at a middle portion of an outer edge of the corresponding blade body (351). 